The "AUTO" button on remote is "time delay off" function, tool will be turned off in 5 seconds if we press it.
Ideal for dust collector, industrial fan, conveyer belt, electric generator, liquid pump, track saw, miter saws, table saws, power sanders, routers, joiners, planers etc. Max motor rating should not exceed 120V/15A/60Hz, 1800W.
Attached two remotes including battery inside, 50meters working distance.